Forge.



" lo. 676,323. Patented :une n, 190|.

H. B. KEIPER.

FORGE.

(Application med my 2, woo.) (No Model.) 4 Sheets-Sheet l.

l ly

f. m El Snom/woz l, Patented .lune II, 190|. H.B. KEIPER Fonsi.(Application led July 2, 1900.)

44 sheets-smi 2.

(no Model.)

m: nowms mns co, momurno. wAsnmm'on o c Patented lune H, I90I. H. B.KEIPER.

FORGE.

(Application filed July 2, 1900.)

13mm-sheet 3.

(No Model.)

ma noms vrrcns oo. rnomuruo.. wwqmmu. n. c

No. 676,523.r Patented lune 190|.

H. s. Kwan.

Fosse.

(pucazion mea July 2. 1900.) f (No Model.) 4 Sheets*$heet 4.

,0.6: a 0' or 1 l. Q)

TATES y Pareri unies.

Ponce.

SPECIFICATION forming part of Letters :Patent No. 676,323, dated J' une11, 1901. i Application filed July 2,1900. Serial No. 22,343. (Nomodel.)

To all whom t may con/cern:

Be it known that I, HENRY B. KEIPER,a cit izen of the UnitedStates,residing at Lancaster, in the county of Lancaster andrState ofPennsylvania, have invented certain new and useful Improvements iuForges; and I do hereby declare the following to be a full, clear, andexact description of the invention, such as will enable others skilledin the art to which it appertains to make and use the same.

This invention relates to improvements in forges.

The primary objects of my .invention are to simplify the constructionand increase the efficiency and durability of machines of this class towhich my invention relates and to provide a simple and comparativelyinexpensive portable forge the parts of which are adapted to be easilyassembled and in compact form, so as to occupy but a small space in useand to be readily knocked down or taken apart for the renewal or repairof any injured or broken portion, and which may be light, easy running,and practically noiseless in operation.

The invention will first be hereinafter more particularly described,with reference to the accompanying drawings, which form a part of thisspecication, and then pointed out in the claims at the end of thedescription.

In the drawings, in which similar letters of reference are `used todenote corresponding parts in the several views, Figure l represents, inside elevation, a portable forge embodying my invention, parts beingbroken away to show the connectionof the twyer with the hearth orforge-pan. Fig. 2 is an end or rear elevation of the same. Fig. 3 is aplan View of the machine. Fig. l is a sectional elevation of thefan-driving mechanism, the section being taken on line IV IV of Fig. l.Fig. 5 is an enlarged detail View, in front sectional elevation, of therotary fanblower and its driving mechanism; and Figs. 6 and 7 are detailviews, being sections taken on lines VI VI and VII VII, respectively, ofFig. 2. Fig. 8 is a detail sectional view on the line VIII VIII of Fig.1, and Fig. 9 is a perspective view of one of the clamp plates orbrackets for removably securing the gearcasing to lthe frame and bracingthe structure.

Referring to the drawings by letters of reference, the letter A denotesthe hearth or forge-pan, which may be ofthe form shown or any suitableconstruction, and B the twyer or blast-pipe leading thereto from thechamber or casing C of a rotary blower or fan which is impelled bymechanism inclosed within the casing D. The said hearth, blower-casing,and connecting-twyer may be supported by a suitable frame, whichpreferably consists of a pair of beams or bars E E, horizontallydisposed, and supporting legs or standards F F therefor, together withsuitable means for bracing said beams and standards and securing thestandards to the beams. The beams E E are preferably T-shaped for thepurpose of securinglightness and strength,and also for the reason thatthe flanges thereof afford a convenient hold for attachment of theseveral parts of the machine, and said beams may be 1 provided at therear of the standards F F with upward extensions or slanting portions ee, terminating in horizontally-disposed end por tions e' e for thepurpose of supporting the driving mechanism of the rotary fan or blowerin a raised position. At each end the beams E maybe braced or securedtogether by suitable castings or plates e2 and e3, having aperturestherein to receive fastening bolts, rivets, or screws for securin g thecastings to the flanges of the beams. The legs or standards F F,preferably four in number, may be formed of gas-pipe for the purpose ofsecuring lightness and strength, the lower portions thereof being curvedor bent considerably outward to afford a stable support for the machine.The upper ends of said standards may be fitted within the tubularportions of brackets or castings G G, which support the T-beams E E, twoof said standards being tted in each of said brackets and `rigidlysecured therein in any approved manner, as by setscrews g g. Each of thebrackets or castings supports one of the beams E, the vertical ordepending anges of said beams resting on ledges or shoulders formed atthe terminus of the tubular portions of the brackets, while thehorizontal or cross flanges of the beams are embraced by slots orgrooves g in vertical extensions of said brackets, so as to hold thebeams securely and prevent rocking or turning of the same. Thesaid'beams E are of Y other.

each of said brackets is provided .with av course supported on theblocksor cast-ings G at such portion of their length as to adapt the weight ofthe parts of the machine on opposite sides of the standards to beproperly balanced.

In order to hold the brackets or castings G G with the standards fittedtherein, in proper position and at a suitable distance apart, saidbrackets may be provided on their confronting faces with suitable lugsor projections g2 g2 and a bolt g3, passing through and connecting saidblocks and having a fasteningnut on a threaded end thereof, whereby saidbrackets maybe brought or clamped together, with their lugs orprojections abutting each Preferably one of the projections of sists ofa main portion F and end portions f'f, with grooves formed between theirconfronting faces to embrace the legs or standards, opposite pairs ofthe standards being clamped at each end ofthe main portion F', betweenthe same and one of the end pieces f', by a single boltfz, uniting thethree parts of the clamp and having a fastening-nut at one end.

Returning to the more essential parts of the forge, the hearth orforge-pan A is supported at one side of the standards and the blowerxanddriving mechanism therefor at the other side, so as to properly balancethe machine, the blower casing or chamber C having connection with'thehearth by the twyer or blast-pipe B, which is placed between the beams EE.' The said twyer or blast-pipe B may beformed or provided at itsforward end with an upwardly-extending portion b, which passes into thefloor or bottom of the hearth and has its opposite end b' incommunication with the blower chamber or casing C. The twyer may besupported between the beams E E by means of suitable lugs or ears b2192011 the outer sides of the lrerminal portions Z) and b', said lugshaving apertures therein to receive fastening screws or bolts to securethe same to the flanges of the beams. To prevent accumulation of fuel oragainst the pipe by means of a spring b4 or by other suitable means toprevent the passage of the draft through said opening.

The hearth or forge-pan A is provided with an aperture in the Hoor orbottom thereof adapted to receive the upper end b of the twyer, and saidopening is covered by a perforated capta. v The cap a may be providedwith apertured lugs or ears a',registering with apertures in the lugsb2, to receive bolts for securing the hearth or forge-pan rigidly inplace and to the flanges of the beams E. The forge-pan may also besteadied and supported in position by resting on the brackets G G and onthe casting or plate c2 at ythe front end of the beams E.

The chamber or casing C of the' rotary blower or fan may consist of twoparts c and c', fitted together and provided with external ears or lugs,as c2 c3, having registering openings therein to Vreceive fasteningbolts or screws by which the parts are secured together. Any approvedfan, paddle, or wingwheel C' may be placed within the casing, the samebeing impelled by mechanism incloscd within the casing D. Aninlet-aperture C2, for the ingress of air tothe rotary blower, isprovided in one of the parts c', and the outlet-nozzle Csof the casingor chamber is connected to the twyer B, the lower portion of said casingC being suitably fitted therein and supported thereon, as by means ofthe iange c4. The blower-casing may be secured to the casing of thefan-driving mechanism at the side or part opposite to the inlet-apertureC2.

The housing or casing D for the blower or fan-driving mechanism is madein two parts, dand d', fitted together and secured by screws orfastening-bolts, as at d2. Said casing is also formed integrally with atubular portion D', depending from the lower edgeof the part d' andhaving an opening d3 therein for the engagement of the worm-wheel andworm, to be presently described. The tubular part D may also be'provided at its forward end with an externalA flange d4, havingapertures therein to receive fastening screws or bolts d5, by which thehousing or casing D is secured to the blower casing or chamber C.

Within the tubular portion D' of the casing is journaled the shaft C4 ofthe rotary fan or blower, having rigidly secured thereto in any approvedmanner or integral therewith a worm C5, with the requisite number ofwormteeth or spiral ribs of the required pitch and slope, adapted to beengaged by the wormwheel within the casing D. The fanshaft C4t may bejournaled in any suitable bearings in the tubular portion D', butpreferably in ball-bearings, and for this purpose the said tubularportion D' of the gear-casing maybe internally provided withoppositely-facing bearing-cups d6 d6, and suitable bearing-cones c5 c5may be secured on the opposite ends of the fan-shaft and screwed oradjusted into said cups, so as to bear thereagainstthrough IIO themediumof antifriction-balls contained within the cups around the shaft. Thefan- V shaft will of course be held rotatably in place by means of theoppositely-facing bearingcones bearing in their respective confrontingcups, and the said cones may be secured in place on the shaft byfastening-nuts or other suitable means. In order to separate theantifriction-balls in the bearings of the fanshaft, to reduce the numberof balls used, and to reduce the friction in said bearings to a minimum,as well as to facilitate placing the balls within the cups and toprevent them from falling ont when the cones are-removed, said balls maybe held in a ball retainer and separator of any approved construction,though the retainers may be dispensed with, if desired. The fan-shaft C4passes through the forward end of the tubular part D into the blowerchamber or casing C, and at its forward end, within the blower casing,is keyed or otherwise rigidly secured to the hub of the fan, paddle, orwing-wheel C. The ends of the tubular part D' are left open for accessto the fan-shaft bearings, and to exclude dust from said bearings andalso the gear-casing D said open ends may be provided with suitable caps(Z7 CZ?, secured thereto, as shown, or in any suitable manner.

As shown in the drawings, the gear casing or housing D is provided withexternal bearing-lugs D2 and D3, integral with the part CZ, and externalbearing-lugs D4 and D5, integral with the part d', the bearings of thelugs D2 and D4 having a common axis, as also the bearings of the lugs D3and D5.

In the bearings of the lugs D3 and D5 are journaled the spindle ends ofa shaft h, having rigidly affixed thereto in any approved manner thecentral hub of a worm-wheel H, with worm-teeth on Vthe periphery thereofengaging or intermeshing with the wormteeth or spiral ribs which formthe Worm C5 on the fan-shaft, while adjacent to said wormwheel andhaving its central hub also rigidly affixed to said shaft in anyapproved manner is a pinion I, (shown in dotted lines in Fig. 5,)having' the required number of teeth Vin its periphery and gearing orintermeshing with a spur-wheel K of the required diameter, having itshub rigidly secured to the body of a shaft Zt. One end of the shaft 7cis journaled in the bearing-lug D2 and the other end in the bearing-lugD4, extending therethrough and having a lever-arm K rigidly secured tothe outer end of said shaft 7a in any approved manner, whereby motion isgiven to the gearing and the fan rapidly rotated.

It will be observed that the worm-wheel is arranged in the plane of theworm-shaft on which the rotary blower or fan is secured, and thegear-casing is secured to the fan casing or chamber at right anglesthereto, thus bringing said fan and gearing into close proximity andhousing the same in compact form.

The shafts h and 7a, above mentioned, may

be journaled in any suitable bearings in the lugs D2 D4 and D3 D5,respectively, though preferably in ball-bearings, and for this purpose Iprovide bearing-cups in said lugs and bearing-cones on said shafts,which may be screwed or adjusted into said cups, so as to bearthereagainst through the medium of antifriction-balls contained withinthe cups around the cones, similarly to the bearings of the fan-shaf tC4. The antifriction-balls in said bearings for the shafts h and Zt arealso preferably held in suitable ball retainers and separators, thoughthe retainers may be dispensed with, if desired. The outer open ends ofthe bearing-lugs for the shafts 7L and L may be closed by suitable capsds d8, screwed thereto to prevent the admission of dust to the bearingsand into the gear-casing.

To secure and firmly support the casing D on the frame of the machine,the tubular part D of the casing is externally provided withlongitudinal projections or flanges D6 D6 on its opposite sides, whichrest on the horizontal portions c c' of the beams E, (see Fig. 4,) andtwo clamp-plates L L, preferably of the construction shownin detail inthe drawings, are tted against the outer sides of the beams E, saidplates being provided on their inner or confronting faces with parallelflanges Z Z, embracing the outer iianges of said beams, and parallelanges Z Z', embracing the said external projections DG of the part D' ofthe gear-casing. A holt M, having a clamping-nut m on a threaded endthereof, passes through said plates L L, whereby the plates may be drawntoward each other, clamping between them the said beams E and thetubular part D' of the gearcasing, thus bracing the beams and securingand firmly supporting the gear-casing on the frame.

It will be observed thatl I thus provide a simple and efficient machinehaving its several parts arranged in compact form and rigidly securedtogether in such manner that the machine elements may be easily puttogether or taken apart or one or more parts removed without disturbingthe arrangement of the other parts, while the fan-driving gearing ishoused and protected within a casing which may be detached without dis--IOO IIO

turbing the gearing therein or taken apart to permit the gearing to beremoved or replaced. The fan-driving mechanism as constructed is easyrunning and practically noiseless in operation and may be actuated witha small expenditure of power by turning the crank-handle secured to theaxis of the spur-wheel meshing with the pinion on the worm-wheel,whereby a rapid rotary motion is imparted to the fan, so as to produce apowerful blast. 1

I'Iaving thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent of the United States, is

1. In a portable forge, the combination with the hearth and blower, of ahorizontally-disthe hearth and blower, of a horizontally-disposedblast-pipe leading from the blower to the hearth, a pair of horizontalbeams directly supporting said hearth, blower and blastpiperespectively, the said blast-pipe being secured between the beams, abracket supporting each of said beams intermediate the hearth andblower, and standards rigidly secured to and supporting said brackets;substantially as described.

3. A portable forge comprising verticallydispos-ed legs or standards, apair of horizontally-disposed iianged beams supported intermediate theirends by said standards,

brackets securing said beams to said standards having recesses toreceive the upper ends of said standards-and grooves to embrace theflanges of the beams so as to prevent rocking of the latter, a hearthand blower supported by the angle-beams at opposite sides ofthestandards, and a twyer leading from said blower to the hearth andsecured between said beams; substantially as described.

4. A portable forge comprising verticallydisposed standards, a pair ofbrackets secured to the upper portions of said standards, a pair ofhorizontally-disposed beams carried by said brackets, and a hearth,blower and twyer directly supported by said beams, the said hearth andblower being placed on op,- posite sides ot' the brackets and the twyerbetween the beams; substantially as described.

5. In a portable forge, the combination with the hearth and blower, of ahorizontally-disposed blast-pi'pe leading from the blower to the hearth,a pair of horizontal beams supporting said hearth, blower andblast-pipe, the blast-pipe being secured between the beams, a pair ofbrackets supporting said beams between the hearth and blower, saidbrackets being provided with abutting lugs on their confronting faces toseparate the same and a fastening-bolt for drawing them together, andsupportingstandards rigidly secured tosaid brackets; substantially asdescribed.

6. In a portable forge, the combination with the hearth and blower, of ahorizontally-disposed blast-pipe leading from the blower to the hearth,a pair of horizontal beams supporting said hearth, blower andblast-pipe, the blast-pipe being secured between the beams, a pair ofbrackets supporting said beams intermediate the hearth and blower, andstandards rigidly secured to said brackets; said brackets being providedwith a means for drawing them together and with abutting lugs fon theirconfronting faces to brace and -hold them at a suitable distance apart,one of said lugs on each ot said brackets having a pointed end and oneasocket end and the pointed lug of each bracket tting into the socket-lugof the other; substantially as described.

7. In a portable forge, the combination with the hearth and blower, of ahorizontally-disposed twyer leading from the blower to the hearth, apair of horizontal Iianged beams supporting said hearth, blower andtwyer, the latterbeing secured between said beams, brackets supportin gsaid beams intermediate the blower and hearth, each bracket having agroove to embrace the flange of the beam and a tubular portion toreceive the upper end of one of the supporting-standards, stand` ardsrigidly secured in said tubular portions of said brackets, and a boltfor drawing the brackets together; substantially as described.

8. In a portable forge, the combination of the horizontal frame beams,supportingstandards therefor, brackets having tubular portions fitted tothe upper ends of said standards for securing the same to the beams,each of said brackets supporting one of said beams and provided withsubjacent lugs or projections abutting similar lugs on the otherbracket, and a bolt for drawing said brackets together; substantially asdescribed.

9. In combination with the flanged beams and supporting standards, theherein de- IOO scribed brackets for securing said beams and y standardstogether and holding them in rigid relative position, each of saidbrackets havinga tubular portion to receive the upper end of one of thestandards, and a vertical extension provided with ahorizontally-disposed groove therein to embrace the outer 'flange of oneofsaid beams; said brackets being also provided with confronting lugs orprojections constructed to interlock,and a fastening-bolt for drawingthe brackets together; substantially as described.

10. Aportable knockdown forge consisting of a hearth, blower andhorizontallydisposed twyer leading from the blower to the hearth, and apair of horizontal supportingbeams detachably secured to said parts, thetwyer being secured between the beams, and said beams being rearwardlyprovided with upward extensions or slanting portions having theblower--impelling mechanism mounted thereon adjacent to the blower,standards 'supporting said beams between the hearth and blower andbrackets uniting the beams and standards, removably secured thereto;substantially as described.

1l. A portable forge consisting of verticallydisposed standards having apair of brackets with sockets therein fitting over the upper ends of thestandards, horizontally-disposed angle -beams carried by said brackets,a hearth and blower-casing supported by said beams on opposite sides ofsaid brackets, a

IIO

twyer secured between said beams leading from said blower-casing-to theiioor of the hearth; said beams having rearward upward extensions and agear-casing supported thereon, a worm-shaft contained within saidgear-casing'and a wor m-wheel meshing therewith, a rotary blower securedto one end of the shaft within the blower-casin g, and means without thegear-casing for rotating the worm-wheel, thereby imparting motion to theworin-shaft and the rotary blower thereon;

substantially as described.

12. In a portable forge, the combination of the vertically-disposedstandards, horizontally-disposed beams supported by said standardshaving rearward upward extensions, a hearth and blower-casing, aconnecting-twyer supported on the horizontal portions of the beams, ablower within said blower-casing,

mechanism for driving said blower supported on the rearward upwardextensions of the beams in proximity to the blower, a casing for saidblower-driving mechanism secured at one end tothe blower-casing,clamp-plates fitted against the outer sides of the beams to secure thevcasing of the driving mechanism thereto, and means for drawing saidplates toward each other and clamping the said beams and casing of thedriving mechanism between said clamp-plates, substantially as described.

13. In a portable forge, the combination of the vertically-disposedstandards, horizontally-disposed angle-beams supported by said standardshaving rearward upward extensions, a hearth, blower and connecting-twyersupported on the horizontal portions of said angle -beains, gearing forimpelling said blower supported in proximity thereto on the rearwardupward extensions of said anglebeams, said gearing being inclosed in acasing having external longitudinal projections, and clamp -plat'esfitted against the outer sides of said angle-beams to secure thegear-casing thereto, said clamp-plates being provided with parallelflanges embracing the flanges ofthe angle-beams and parallel flangesembracing the said projections of the gear-casing, and means for drawingsaid plates toward each other so as to clamp the gear-casing andangle-beams between them; substantially as described.

14. In a portable forge, the combination with the hearth, blower andtwyer, of a pair of horizontally-disposed angle-beams supporting thesame, standards secured to said beams, said angle-beams having rearwardupwardly-extending portions, a gear-casing inclosing suitableblower-driving mechanism supported by the upward extensions of saidbeams, said gear-casing being externally provided with lateralprojections which rest on the said raised portions of the angle-beams,

clamp-plates fitted against the outcr sides of said angle-beams tosecure the gear-casing thereto, said clamp-plate being provided withanges embracing the flanges of said anglebeams and with other flangesembracing the said lateral projections of said gear-casing, and meansfor clamping said plates against the outer sides of said beams andgear-casing; substantially as described.

15. In combination with the gear-casing having external lateralprojections thereon Land the flange-supporting beams, theherein-describcd substantially triangular clampplates having parallelhorizontal flanges adapted to embrace the lateral projections on thegear-casing and diagonal parallel flanges adapted to embrace the flangesof the beams, and means for drawing said clamp-plates t0- ward eachother, so as to clamp the gear-casing and beams between them, and forfastening the same; substantially as described.

16. In aportable forge, the combination of the vertically-disposedstandards, horizontally-disposed beams carried by said standards havingrearward upwardlyextending portions, a hearth, ablowercasing and atwyerleading from the blower-casing to the hearth supported on the horizontalportions of said beams, and a gear-casing on the raised portionsthereof, said blower-casing and gearcasing being detachably securedtogether at right angles and each constructed in two parts removablysecured so as to permit access to or removal of the blower and gearing,a wormshaft and gearing journaled in bearings in said gear-casing, and arotary blower secured to one end of said worm -shaft within theblower-casing; substantially as described.

17. In a portable forge, the combination with the hearth and blower, ofapair of horizontally -g disposed beams supporting the blower at one endand the hearth at the other, a horizontally-disposed twyer leading fromthe blower to the hearth and secured between said beams, andsupporting-legs secured to said beams intermediate the hearth andblower; substantially as described.

1S. In a portable forge, the combination with the hearth and blower, ofa pair of horizontally disposed beams supporting the blower at one endand the hearth at the other, a horizontally-disposed blastpipe leadingfrom the blower to the hearth and secured between said beams, a bracketsupporting said beams intermediate the hearth and blower, and standardsrigidly secured to and supporting said bracket; substantially asdescribed.

In testimony whereof I affix my signature in presence of two witnesses.

y HENRY B. KEIPER.

Witnesses:

J. C. DownLL, JOHN H. MYERS.

IIO

